1. (adverb) in a wasteful manner

• extravagantly

2. (adverb) in a rich and lavish manner

• extravagantly
• richly

1. (adverb) in a wasteful manner

• extravagant
• prodigal
• profligate
• spendthrift
• lavish
• munificent
• overgenerous
• too-generous
• unsparing
• unstinted
• unstinting

2. (adverb) in a rich and lavish manner

• lavish
• lucullan
• lush
• plush
• plushy
• rich